The word cardioplegia combines the Greek cardio meaning the heart, and plegia paralysis. Technically, this means arresting or stopping the heart so that surgical procedures can be done in a still and bloodless field. Most commonly, however, the word cardioplegia refers to the solution used to bring about asystole of the heart, or heart paralysis. The main goals of hypothermic cardioplegia are:
4. to furnish or decorate with a tuft or tufts. 5. to arrange in a tuft or tufts. 6. to draw together (a cushion, mattress, etc.) by passing a thread through at regular intervals, the depressions thus produced usu. being ornamented with tufts or buttons.
Tuff (from the Italian tufo) is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. Following ejection and deposition, the ash is compacted into a solid rock in a process called consolidation.Tuff is sometimes called tufa, particularly when used as construction material, although tufa also refers to a quite different rock. Rock that contains greater than 50% tuff is considered tuffaceous.uff is sometimes called tufa, particularly when used as construction material, although tufa also refers to a quite different rock.